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Docker interview questions on containers, images, networking, and orchestration.
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Top Docker Interview Questions
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1
Container vs VM - what is the difference?
Hint: Kernel sharing, isolation
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2
How does a Docker image work?
Hint: Layers, caching, Dockerfile
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3
Explain Docker networking
Hint: Bridge, host, overlay networks
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4
What is Docker Compose?
Hint: Multi-container applications
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5
How to optimize Docker images?
Hint: Multi-stage builds, layer caching
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6
Explain Docker volumes
Hint: Persistent storage, bind mounts
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